1 files changed, 26 insertions, 2 deletions

diff --git a/mm/internal.h b/mm/internal.h
index efad241f7014..a96da5b0029d 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -110,6 +110,28 @@ extern pmd_t *mm_find_pmd(struct mm_struct *mm, unsigned long address);
  */
 
 /*
+ * Structure for holding the mostly immutable allocation parameters passed
+ * between functions involved in allocations, including the alloc_pages*
+ * family of functions.
+ *
+ * nodemask, migratetype and high_zoneidx are initialized only once in
+ * __alloc_pages_nodemask() and then never change.
+ *
+ * zonelist, preferred_zone and classzone_idx are set first in
+ * __alloc_pages_nodemask() for the fast path, and might be later changed
+ * in __alloc_pages_slowpath(). All other functions pass the whole strucure
+ * by a const pointer.
+ */
+struct alloc_context {
+        struct zonelist *zonelist;
+        nodemask_t *nodemask;
+        struct zone *preferred_zone;
+        int classzone_idx;
+        int migratetype;
+        enum zone_type high_zoneidx;
+};
+
+/*
  * Locate the struct page for both the matching buddy in our
  * pair (buddy1) and the combined O(n+1) page they form (page).
  *
@@ -329,8 +351,10 @@ extern int mminit_loglevel;
 #define mminit_dprintk(level, prefix, fmt, arg...) \
 do { \
         if (level < mminit_loglevel) { \
-                printk(level <= MMINIT_WARNING ? KERN_WARNING : KERN_DEBUG); \
-                printk(KERN_CONT "mminit::" prefix " " fmt, ##arg); \
+                if (level <= MMINIT_WARNING) \
+                        printk(KERN_WARNING "mminit::" prefix " " fmt, ##arg); \
+                else \
+                        printk(KERN_DEBUG "mminit::" prefix " " fmt, ##arg); \
         } \
 } while (0)